The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/netgraph/ng_bridge.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*
    2  * ng_bridge.h
    3  */
    4 
    5 /*-
    6  * Copyright (c) 2000 Whistle Communications, Inc.
    7  * All rights reserved.
    8  * 
    9  * Subject to the following obligations and disclaimer of warranty, use and
   10  * redistribution of this software, in source or object code forms, with or
   11  * without modifications are expressly permitted by Whistle Communications;
   12  * provided, however, that:
   13  * 1. Any and all reproductions of the source or object code must include the
   14  *    copyright notice above and the following disclaimer of warranties; and
   15  * 2. No rights are granted, in any manner or form, to use Whistle
   16  *    Communications, Inc. trademarks, including the mark "WHISTLE
   17  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
   18  *    such appears in the above copyright notice or in the software.
   19  * 
   20  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
   21  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
   22  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
   23  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
   24  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
   25  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
   26  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
   27  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
   28  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
   29  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
   30  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
   31  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
   32  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
   33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   35  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
   36  * OF SUCH DAMAGE.
   37  *
   38  * Author: Archie Cobbs <archie@freebsd.org>
   39  *
   40  * $FreeBSD: stable/12/sys/netgraph/ng_bridge.h 357206 2020-01-28 17:39:03Z bz $
   41  */
   42 
   43 #ifndef _NETGRAPH_NG_BRIDGE_H_
   44 #define _NETGRAPH_NG_BRIDGE_H_
   45 
   46 /*
   47  * Support the older ABI based on fixed size tables.
   48  * ABI is deprecated, to be removed in releases > 12
   49  * Please note: There is no API support!
   50  * You canno create new messages using the old API but messages conforming the
   51  * old ABI are understood.
   52  */
   53 #define NGM_BRIDGE_TABLE_ABI
   54 
   55 /* Node type name and magic cookie */
   56 #define NG_BRIDGE_NODE_TYPE             "bridge"
   57 #define NGM_BRIDGE_COOKIE               1569321993
   58 
   59 #ifdef NGM_BRIDGE_TABLE_ABI
   60 #define NGM_BRIDGE_COOKIE_TBL           967239368
   61 #define NG_BRIDGE_MAX_LINKS             32
   62 #endif /* NGM_BRIDGE_TABLE_ABI */
   63 
   64 /* Hook names */
   65 #define NG_BRIDGE_HOOK_LINK_PREFIX      "link"   /* append decimal integer */
   66 #define NG_BRIDGE_HOOK_LINK_FMT         "link%d" /* for use with printf(3) */
   67 
   68 /* Node configuration structure */
   69 struct ng_bridge_config {
   70         u_char          debugLevel;             /* debug level */
   71         u_int32_t       loopTimeout;            /* link loopback mute time */
   72         u_int32_t       maxStaleness;           /* max host age before nuking */
   73         u_int32_t       minStableAge;           /* min time for a stable host */
   74 };
   75 
   76 #ifdef NGM_BRIDGE_TABLE_ABI
   77 struct ng_bridge_config_tbl {
   78         u_char          ipfw[NG_BRIDGE_MAX_LINKS];
   79         struct ng_bridge_config cfg;
   80 };
   81 #endif /* NGM_BRIDGE_TABLE_ABI */
   82 
   83 /* Keep this in sync with the above structure definition */
   84 #define NG_BRIDGE_CONFIG_TYPE_INFO      {                       \
   85           { "debugLevel",       &ng_parse_uint8_type    },      \
   86           { "loopTimeout",      &ng_parse_uint32_type   },      \
   87           { "maxStaleness",     &ng_parse_uint32_type   },      \
   88           { "minStableAge",     &ng_parse_uint32_type   },      \
   89           { NULL }                                              \
   90 }
   91 
   92 /* Statistics structure (one for each link) */
   93 struct ng_bridge_link_stats {
   94         u_int64_t       recvOctets;     /* total octets rec'd on link */
   95         u_int64_t       recvPackets;    /* total pkts rec'd on link */
   96         u_int64_t       recvMulticasts; /* multicast pkts rec'd on link */
   97         u_int64_t       recvBroadcasts; /* broadcast pkts rec'd on link */
   98         u_int64_t       recvUnknown;    /* pkts rec'd with unknown dest addr */
   99         u_int64_t       recvRunts;      /* pkts rec'd less than 14 bytes */
  100         u_int64_t       recvInvalid;    /* pkts rec'd with bogus source addr */
  101         u_int64_t       xmitOctets;     /* total octets xmit'd on link */
  102         u_int64_t       xmitPackets;    /* total pkts xmit'd on link */
  103         u_int64_t       xmitMulticasts; /* multicast pkts xmit'd on link */
  104         u_int64_t       xmitBroadcasts; /* broadcast pkts xmit'd on link */
  105         u_int64_t       loopDrops;      /* pkts dropped due to loopback */
  106         u_int64_t       loopDetects;    /* number of loop detections */
  107         u_int64_t       memoryFailures; /* times couldn't get mem or mbuf */
  108 };
  109 
  110 /* Keep this in sync with the above structure definition */
  111 #define NG_BRIDGE_STATS_TYPE_INFO       {                       \
  112           { "recvOctets",       &ng_parse_uint64_type   },      \
  113           { "recvPackets",      &ng_parse_uint64_type   },      \
  114           { "recvMulticast",    &ng_parse_uint64_type   },      \
  115           { "recvBroadcast",    &ng_parse_uint64_type   },      \
  116           { "recvUnknown",      &ng_parse_uint64_type   },      \
  117           { "recvRunts",        &ng_parse_uint64_type   },      \
  118           { "recvInvalid",      &ng_parse_uint64_type   },      \
  119           { "xmitOctets",       &ng_parse_uint64_type   },      \
  120           { "xmitPackets",      &ng_parse_uint64_type   },      \
  121           { "xmitMulticasts",   &ng_parse_uint64_type   },      \
  122           { "xmitBroadcasts",   &ng_parse_uint64_type   },      \
  123           { "loopDrops",        &ng_parse_uint64_type   },      \
  124           { "loopDetects",      &ng_parse_uint64_type   },      \
  125           { "memoryFailures",   &ng_parse_uint64_type   },      \
  126           { NULL }                                              \
  127 }
  128 
  129 struct ng_bridge_link;
  130 typedef struct ng_bridge_link *link_p;
  131 /* Structure describing a single host */
  132 struct ng_bridge_host {
  133         u_char          addr[6];        /* ethernet address */
  134         link_p          link;           /* link where addr can be found */
  135         u_int16_t       age;            /* seconds ago entry was created */
  136         u_int16_t       staleness;      /* seconds ago host last heard from */
  137 };
  138 
  139 #ifdef NGM_BRIDGE_TABLE_ABI
  140 struct ng_bridge_host_tbl {
  141         u_char          addr[6];        /* ethernet address */
  142         u_int16_t       linkNum;        /* link where addr can be found */
  143         u_int16_t       age;            /* seconds ago entry was created */
  144         u_int16_t       staleness;      /* seconds ago host last heard from */
  145 };
  146 #endif /* NGM_BRIDGE_TABLE_ABI */
  147 
  148 /* external representation of the host */
  149 struct ng_bridge_hostent {
  150         u_char          addr[6];                /* ethernet address */
  151         char            hook[NG_HOOKSIZ];       /* link where addr can be found */
  152         u_int16_t       age;                    /* seconds ago entry was created */
  153         u_int16_t       staleness;              /* seconds ago host last heard from */
  154 };
  155 
  156 /* Keep this in sync with the above structure definition */
  157 #define NG_BRIDGE_HOST_TYPE_INFO(entype)        {               \
  158           { "addr",             (entype)                },      \
  159           { "hook",             &ng_parse_hookbuf_type  },      \
  160           { "age",              &ng_parse_uint16_type   },      \
  161           { "staleness",        &ng_parse_uint16_type   },      \
  162           { NULL }                                              \
  163 }
  164 
  165 /* Structure returned by NGM_BRIDGE_GET_TABLE */
  166 struct ng_bridge_host_ary {
  167         u_int32_t                       numHosts;
  168         struct ng_bridge_hostent        hosts[];
  169 };
  170 
  171 /* Keep this in sync with the above structure definition */
  172 #define NG_BRIDGE_HOST_ARY_TYPE_INFO(harytype)  {               \
  173           { "numHosts",         &ng_parse_uint32_type   },      \
  174           { "hosts",            (harytype)              },      \
  175           { NULL }                                              \
  176 }
  177 
  178 #ifdef NGM_BRIDGE_TABLE_ABI
  179 struct ng_bridge_hostent_tbl {
  180         u_char          addr[6];                /* ethernet address */
  181         u_int16_t       linkNum;                /* link where addr can be found */
  182         u_int16_t       age;                    /* seconds ago entry was created */
  183         u_int16_t       staleness;              /* seconds ago host last heard from */
  184 };
  185 struct ng_bridge_host_tbl_ary {
  186         u_int32_t                       numHosts;
  187         struct ng_bridge_hostent_tbl    hosts[];
  188 };
  189 #endif /* NGM_BRIDGE_TABLE_ABI */
  190 
  191 /* Netgraph control messages */
  192 enum {
  193         NGM_BRIDGE_SET_CONFIG = 1,      /* set node configuration */
  194         NGM_BRIDGE_GET_CONFIG,          /* get node configuration */
  195         NGM_BRIDGE_RESET,               /* reset (forget) all information */
  196         NGM_BRIDGE_GET_STATS,           /* get link stats */
  197         NGM_BRIDGE_CLR_STATS,           /* clear link stats */
  198         NGM_BRIDGE_GETCLR_STATS,        /* atomically get & clear link stats */
  199         NGM_BRIDGE_GET_TABLE,           /* get link table */
  200         NGM_BRIDGE_SET_PERSISTENT,      /* set persistent mode */
  201 };
  202 
  203 #endif /* _NETGRAPH_NG_BRIDGE_H_ */
  204 

Cache object: d4eabeabf86374f35e81c96caa47239b


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.